Answer: The period known as classical antiquity began with the emergence of the city-states of ancient Greece. Later, the Roman Empire came to dominate the entire Mediterranean basin. The fall of the Roman Empire in AD 476 traditionally marks the start of the Middle Ages.
Explanation:
Answer:
b.They separate markets, thereby increasing transportation costs.
Explanation:
Deserts and tropical forests seem to be opposites, but they all have separate markets, thereby increasing transportation costs.
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They use it to date rocks that are old and find the age. its not always accurate but close enough
